Modify aux backlight enable/disable sequence just like what we
did for genernal eDP panel. Setup PWM freq and brightness level
before enable display backlight.
v2: According to spec, it is not necessary to set PWM to 0 if
backlight enable already off. Remove intel_dp_aux_set_backlight to 0.
Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Cc: Jani Nikula <jani.nik...@intel.com>
Cc: Jose Roberto de Souza <jose.so...@intel.com>
Cc: Cooper Chiou <cooper.ch...@intel.com>
Signed-off-by: Lee Shawn C <shawn.c....@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
index 6b0b73479fb8..70d9b9c9586f 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
@@ -216,8 +216,8 @@ static void intel_dp_aux_enable_backlight(const struct
intel_crtc_state *crtc_st
}
}
- set_aux_backlight_enable(intel_dp, true);
intel_dp_aux_set_backlight(conn_state,
connector->panel.backlight.level);
+ set_aux_backlight_enable(intel_dp, true);
}
static void intel_dp_aux_disable_backlight(const struct drm_connector_state
*old_conn_state)
--
2.7.4
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